The final part of displaying PowerShell output is a hidden background call to an Output cmdlet, by default as the last part of the execution process PowerShell calls the default output cmdlet which is typically Out-Host.

“Next time you make a printout from your color laser printer, shine an LED flashlight beam on it and examine it closely with a magnifying glass. You might be able to see the small, scattered yellow dots printed there that could be used to trace the document back to you” ~ Jason Tuohey